Rightmove.co.uk is the UK’s largest property web site, advertising around 80% of all homes for sale via estate agents across the UK. Attracting more than 25 million visits from home movers each month, users view in excess of 450 million pages. Each month Rightmove uses asking price data of up to 200,000 properties coming onto the market to produce this House Price Index - the largest, most accurate and up-to-date monthly index. The index itself stands at 195.3 from a starting point of 100 in January 2002.